import java.util.Scanner;

public class q1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("high(unit:m)");
        double height = sc.nextDouble();
        System.out.println("weight(unit:kg)");
        double weight = sc.nextDouble();
        double bmi = weight/(height*height);
        System.out.println("Your BMI is :  "+bmi);
        if(bmi<18.5){
            System.out.println("You are thin!");
        }else if(bmi>=18.5&&bmi<25){
            System.out.println("You are a normal people!");
        } else if (bmi>=25&&bmi<30) {
            System.out.println("You have a little bit fat!");
        }else{
            System.out.println("Go to hell,you fat guy!");
        }
    }
}
